MAMMALS OF THE MEXICAN BOUNDARY. 399 



Record and measurements of 41 specirrtens of Perotnyscus sonoriensis niedius. 



Museuiji num- 

 ber. 



60760 

 60762 

 60763 

 61054 

 60766 

 60769 

 60771 

 60772 

 60773 

 60776 

 60778 

 60779 

 61036 

 61040 

 Alcoholic. 

 61059 



60789 



60796 

 60797 

 61321 

 60804 



61076 

 61077 

 61078 

 61080 

 61081 

 61082 

 61084 

 61085 

 61086 

 61088 

 61089 



60805 

 61097 

 60807 



Locality. 



61100 



1271 

 1280 

 1282 

 1292 

 1302 

 1308 

 13i7 

 1319 

 1321 

 1354 

 1377 

 1379 

 3535 

 3552 

 3596 

 3623 



1401 

 1415 



1444 



1463 

 1476 

 3650 

 1523 



1538 

 1551 

 1562 

 3704 

 3705 

 3706 

 3724 

 3737 

 3738 

 3749 

 3750 

 3767 



1569 

 3775 

 1592 

 1594 



3784 



Jacumba, San Diego County, 

 California, near Monument No. 

 233. 



-do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 do. 

 .do. 

 -do. 

 .do. 

 .do. 

 .do. 

 .do. 



Nachoguero Valley, Lower Cali- 

 fornia, near Monument No. 238. 



....do 



....do 



Campbell's Ranch, at Laguna, 

 San Diego County, California. 



....do 



....do 



....do 



San Isidro Ranch, Lower CaUfor- 

 nia, near Monument No. 2.50. 



.do. 

 -do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 

 .do. 



Jamul Creek, near El Nido P. O. 

 San Diego County, California. 



.do. 

 .do. 

 .do. 

 .do. 



1894. 

 May 18 



...do... 

 May 19 

 ....do... 

 May 20 

 May 21 

 May 22 

 May 23 

 ....do... 

 ....do... 

 May 28 

 May 30 

 ....do... 

 May 18 

 May 21 

 May 29 

 June 4 



Sex. 



Pacific Ocean at the last monu- 

 ment (No. 258 1. 



...do... 

 June 6 

 June 14 



June 16 

 June 18 

 June 12 

 June 29 



June 30 

 July 2 

 July 3 

 June 29 

 ....do... 

 ....do... 

 June 30 

 July 1 

 ....do... 

 July 2 

 ....do... 

 July 6 



....do.. 

 July 8 

 July 7 



....do.. 

 July 11 



d im- 



$ ad. 

 rfad. 

 9. 



cf ad. 

 9 ad. 



rT. 

 d. 



?ad. 

 ?ad. 

 9 ad. 

 9 ad. 

 d. 



cf ad. 

 9 ad. 

 9 ad. 

 d ad. 



cf ad. 

 d ad. 



cf ad. 



9 juv. 

 d ad. 

 d ad. 

 ? ad. 



cf juv. 

 d ad. 

 9 ad. 

 d ad. 

 9 ad. 

 9 ad. 

 9 ad. 

 d ad. 

 d ad. 

 9 ad. 

 9- 

 9 ad. 



d ad. 

 d ad. 



d- 

 9. 

 d ad. 



mm. mm 



160 i 72 



170 

 182 

 167 

 170 

 171 

 160 

 156 

 167 

 187 

 169 

 171 

 162 

 163 

 173 

 169 

 160 



164 

 183 

 154 



165 

 155 

 170 



160 

 160 

 163 

 182 

 169 

 165 

 160 

 154 

 157 

 183 

 153 

 176 



169 

 176 

 163 

 152 

 169 



70 



mm. 

 20.5 



21.0 

 21.0 

 19.0 

 21.5 

 20.5 

 21.0 



20.0 

 22.0 

 20.5 

 20.0 

 20.0 

 21.0 

 21.0 

 21.0 

 21.0 



20.5 

 21.5 

 20.0 



21.0 

 21.0 

 20.0 



20.0 

 21.5 

 21.0 

 21.7 

 21.0 

 20.0 

 20.0 

 21.0 

 20.0 

 21.3 

 19.0 

 20.0 



21.0 

 21.3 

 20.6 

 20.5 

 21.0 



